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Environmental Control for Indoor Allergens

Patients Educational Materials Environmental Control

Environmental Control for Indoor Allergens

House dust contains a variety of allergens such as insect parts, animal dander, and dust mites. Furthermore, mold may also be present in homes. It is important to eliminate as much allergen as possible from the home in order to derive maximum benefit from your treatment.

House Dust Mite is probably the most important allergen in most homes. Controlling house dust mite exposure will decrease symptoms in allergic patients and may decrease the risk of developing dust mite allergy in patients not yet sensitized. Dust mites are tiny microscopic creatures that thrive in warm, moist climates. Upholstery (particularly the bed) is the ideal habitat for dust mites because they need the protection of the padding and a food supply (shed human skin) to survive. They cannot thrive on non-porous surfaces or in cool dry climates.

There are simple things you can do to minimize dust mite exposure:

  • You should concentrate on the bedroom (particularly the bed) because this is where you spend most of your time. In fact, when you are sleeping, you are breathing with your mouth and nose inches from a whole army of dust mites. The bedroom should be clutter free.
  • Dusting should be done frequently with a damp cloth.
  • The humidity in the bedroom should be kept below 50%. In Central Oklahoma this generally requires only air condition, but may require a de-humidifier. Humidifiers encourage dust mite and mold growth and should be avoided.
  • The mattress, box spring and pillow should be encased in dust mite proof encasements. All items on the bed should be washed in hot water (140 degrees) every one to two weeks. Stuffed animals should be removed from the bed.
  • Upholstered furniture and wall to wall carpet contain dust mites and should be avoided if possible, but these are not nearly as important as the bed.
  • Air filters, expensive vacuum cleaners, and duct cleaning help only minimally. When vacuuming, a HEPA filter or double bag should be used to minimize dust mites being stirred up and released into the air.

Cockroaches are now recognized as important indoor allergens. Other insects such as lady bugs, spiders, and crickets have recently been implicated. Keep the home clean and dry and fix any leaks or drips. It may be necessary to have an exterminator treat the home periodically.

Animal dander, generally from cats and dogs (but sometimes from gerbils, hamster, guinea pigs, mice, etc.) is a very important source of allergen in dust. Contrary to popular belief, animal hair is not the problem. Rather, it is a protein in the urine, saliva and dander of animal that provokes allergy. There are no “nonallergenic” furred pets. Some individual animals produce more allergen than others but there are no “safe” breeds.

  • The best thing you can do if you are allergic is to eliminate the pet.
  • Keeping the animal outside is only a partial solution because people who handle the animals outside will bring the allergen in on their clothes.
  • If you cannot eliminate the pet, try to keep the pet in non-upholstered areas and never let the pet in the bedroom. A HEPA filter in the bedroom may provide some protection.
  • Bathing the animals weekly may decrease the amount of allergen they produce.
  • After the animal has been removed, it can take as long as a year for allergen levels in the home to drop significantly, so a good thorough cleaning of the home is necessary after eliminating the animal.

Recently some information has come to light which suggests that if you are not already allergic it may actually be helpful to have cats or dogs in the home. However, if you are already pet allergic having the pets around will only worsen your allergic symptoms.

Indoor Mold can also cause significant allergic respiratory symptoms. Homes with high humidity and/or leaks have a high likelihood of having significant indoor molds. Once these issues have been fixed, it is generally easy to eliminate molds, but if you continue to have problems with water leaks or high humidity, you will have a hard time cleaning up your mold. Use a cleaning solution containing 5% bleach and a small amount of detergent to clean up moldy areas. Performing house dust control measures will help as well.

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Needle-Free Option for Severe Allergic Reactions Expanded for Use in Children

Doctors at the Oklahoma Allergy and Asthma Clinic call the FDA approval a game-changer

Parents now have a needle-free, life-saving option should their child experience a severe allergic reaction.

The U.S. Food and Drug Administration this week approved neffy nasal spray in a one milligram dose, expanding its use to younger children. Neffy is a nasal spray for the emergency treatment of severe allergic reactions, including anaphylaxis. The FDA action means neffy may now be used in children ages four years or older, weighing between 33 and 66 pounds.

The drug was originally approved as a two-milligram dose for individuals over 66 pounds back in August of 2024.

“The approval of one milligram neffy is a game-changer for our young patients who suffer from severe allergies and asthma-related anaphylaxis,” said Dr. Maya Gharfeh, allergy and asthma specialist at the Oklahoma Allergy & Asthma Clinic. “As a physician, I’ve seen firsthand the hesitation and fear that children and parents experience when faced with the need for an epinephrine injection. With neffy, we now have a needle-free alternative that can provide the same life-saving benefits in a less intimidating way.”

Neffy provides a convenient and effective solution for managing life-threatening allergic reactions without the need for injections.

“Anaphylaxis is life-threatening, and some people, particularly children, may delay or avoid treatment due to fear of injections,” said Dr. Kelly Stone, Associate Director of the Division of Pulmonology, Allergy, and Critical Care at the FDA’s Center for Drug Evaluation and Research. “The availability of epinephrine nasal spray may reduce barriers to rapid treatment of anaphylaxis.”

According to the the Asthma and Allergy Foundation of America, anaphylaxis occurs in about one in 50 Americans and some estimates place it as high as one in 20.

“As allergy specialists, we know that some parents of small children may hesitate to use traditional epinephrine auto-injectors due to needle anxiety. Now, we have another option for them,” Gharfeh added.

Neffy is expected to be available in the United States by the end of May 2025.

For more information about the Oklahoma Allergy & Asthma Clinic, visit at www.oklahomaallergy.com or for an appointment, call 405-235-0040.

The post Needle-Free Option for Severe Allergic Reactions Expanded for Use in Children appeared first on Oklahoma Allergy and Asthma Clinic.

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